Knee-high boots Princess Polly Exclusive Upper: 100% PU Lining: & insock: 100% spandex Outsole: 100% TPU Faux leather material Croc print Squared toe Flared block heel Zip fastening at side Man-made upper, lining & sole Heel height: 9.5cm / 3.74" Circumference at top of size 8 boot: 41cm / 16.1in